“The lips are the face’s braces” (Linda D’Onofrio- SALT, OMT)
Eliminating oral habits, optimising nasal breathing/oral rest posture and balancing the forces of the tongue, lips and cheeks helps to maintain support for the dental arches, and keep teeth in alignment. Myofunctional therapy is preventative orthodontics in children, and for older children and adults means they are better prepared for orthodontic treatment and retention.
Evidence bases can be found: